package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrderSettingDao;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderService;
import com.itheima.util.DateUtils;
import org.omg.CORBA.ORB;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {
    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;
    @Autowired
    private OrderDao orderDao;

    @Override
    public Result order(Map map) throws Exception {
//        1、检查用户所选择的预约日期是否已经提前进行了预约设置，如果没有设置则无法进行预约
        String orderDate = (String) map.get("orderDate");
        OrderSetting orderSetting = orderSettingDao.findByOrderDate(DateUtils.parseString2Date(orderDate));
        if (orderSetting == null) {
            //说明没有设置当前日期
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
//        2、检查用户所选择的预约日期是否已经约满，如果已经约满则无法预约
        if (orderSetting.getReservations() >= orderSetting.getNumber()) {
            //预约人数已满
            return new Result(false, MessageConstant.ORDER_FULL);
        }
//        3、检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约则无法完成再次预约
        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByTelephone(telephone);
        /*if (member != null) {
            //已经注册过
            Integer id = member.getId();
            Date date = DateUtils.parseString2Date(orderDate);
            String setmealId = (String) map.get("setmealId");

            Order order = new Order(id, date, Integer.parseInt(setmealId));
            //查询order表有无相同信息
            List<Order> list = orderDao.findByCondition(order);
            if (list != null && list.size() > 0) {
                return new Result(false, MessageConstant.HAS_ORDERED);
            }
        }*/

/*//        4、检查当前用户是否为会员，如果是会员则直接完成预约，如果不是会员则自动完成注册并进行预约
        if (member == null) {
            member = new Member();
            member.setName((String) map.get("name"));
            member.setIdCard((String) map.get("idCard"));
            member.setFileNumber(telephone);
            member.setRegTime(new Date());
            member.setSex((String) map.get("sex"));
            memberDao.add(member);
        }*/

//        5、预约成功，更新当日的已预约人数
        Order order = new Order();
        order.setMemberId((Integer)map.get("member_id"));
        order.setOrderDate(DateUtils.parseString2Date(orderDate));
        order.setOrderStatus(Order.ORDERSTATUS_NO);
        order.setOrderType((String) map.get("orderType"));
        order.setSetmealId(Integer.parseInt((String) map.get("setmealId")));
        orderDao.add(order);//添加到预约表
        Map<String, Integer> famMap = new HashMap();
        famMap.put("orderid", order.getId());
        famMap.put("famid", Integer.parseInt(map.get("fam_id").toString()));
        orderDao.addFam(famMap);

        orderSetting.setReservations(orderSetting.getReservations() + 1);//设置预约人数+1
        orderSettingDao.editReservationsByOrderDate(orderSetting);//修改预约人数
        return new Result(true, MessageConstant.ORDER_SUCCESS, order.getId());
    }

    @Override
    public Map findById(Integer id) throws Exception {
        Map map = orderDao.findById4Detail(id);
        String famName = orderDao.findFamById(id);
        map.put("famName", famName);
        if (map != null && map.size() > 0) {
            Date orderDate = (Date) map.get("orderDate");
            map.put("orderDate", DateUtils.parseDate2String(orderDate));
        }
        return map;
    }

    @Override
    public boolean checkOnly(Integer member_id, Integer value, Integer setmealId) {
        Map<String, Integer> map = new HashMap<>();
        map.put("memberId", member_id);
        map.put("famId", value);
        map.put("setmealId", setmealId);
        if (orderDao.checkOnly(map) != null) {
            return true;
        }
        return false;
    }
}
